#include "widget.h"
#include "ui_widget.h"
#include <QNetworkDatagram>
const QString& SERVER_IP = "127.0.0.1";
const quint16 SERVER_PORT = 9090;

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    socket = new QUdpSocket(this);

    this->setWindowTitle("客户端");
    connect(socket,&QUdpSocket::readyRead,this,&Widget::processResponse);

}

Widget::~Widget()
{
    delete ui;
}

void Widget::processResponse()
{
    const QNetworkDatagram& responseDatagram = socket->receiveDatagram();
    QString response = responseDatagram.data();
    ui->listWidget->addItem("服务器："+response);
}


void Widget::on_pushButton_clicked()
{
    const QString& text = ui->lineEdit->text();
    QNetworkDatagram requestDatagram(text.toUtf8(),QHostAddress(SERVER_IP),SERVER_PORT);
    socket->writeDatagram(requestDatagram);
    ui->listWidget->addItem("客户端："+text);
    ui->lineEdit->setText("");
}
